/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
package org.apache.linkis.orchestrator.plans.physical

import org.apache.linkis.orchestrator.execution.{SucceedTaskResponse, TaskResponse}
import org.apache.linkis.orchestrator.utils.OrchestratorIDCreator

/**
  *
  *
  */
class JobExecTask(parents: Array[ExecTask],
                  children: Array[ExecTask]) extends AbstractExecTask(parents, children) {

  private var physicalContext: PhysicalContext = _

  private var id: String = _

  override def canExecute: Boolean = true

  override def execute(): TaskResponse = {
    new SucceedTaskResponse(){}
  }

  override def isLocalMode: Boolean = true

  override def theSame(other: ExecTask): Boolean = if (super.equals(other)) true else if (other == null) false else other match {
    case jobTask: ExecTask => jobTask.getParents.sameElements(parents) && jobTask.getChildren.sameElements(children) && jobTask.getTaskDesc == getTaskDesc
    case _ => false
  }

  override def initialize(physicalContext: PhysicalContext): Unit = {
    this.physicalContext = physicalContext
  }

  override def verboseString: String = ???

  override def getId: String =  {
    if (null == id) synchronized {
      if (null == id) {
        id = OrchestratorIDCreator.getPhysicalJobIDCreator.nextID("job")
      }
    }
    id
  }

  override def getPhysicalContext: PhysicalContext = physicalContext

  override protected def newNode(): ExecTask = {
    val task = new JobExecTask(null, null)
    task.setTaskDesc(getTaskDesc)
    task
  }
}
